77328640

素因数分解:

$2^8\times 5^1\times {\mathrm{60413}}^1$

素因数の和:60434

約数の個数: 36

約数和(自身を含む): 185229324

約数和(自身を除く): 107900684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 60413, 120826, 241652, 302065, 483304, 604130, 966608, 1208260, 1933216, 2416520, 3866432, 4833040, 7732864, 9666080, 15465728, 19332160, 38664320, 77328640]

約数ペア:

[(1, 77328640), (2, 38664320), (4, 19332160), (5, 15465728), (8, 9666080), (10, 7732864), (16, 4833040), (20, 3866432), (32, 2416520), (40, 1933216), (64, 1208260), (80, 966608), (128, 604130), (160, 483304), (256, 302065), (320, 241652), (640, 120826), (1280, 60413)]